Rodent Research-5 (RR-5) Systemic Therapy of NELL-1 for Osteoporosis: The crew completed injections of half of the RR-5 mice remaining on the ISS in the Microgravity Science Glovebox (MSG) and performed bone densitometer scans of each of those mice. Because spaceflight has significant and rapid effects on the musculoskeletal system it is important to investigate …